Home / 160,943.44-222,000.90-103,657

Finding the Fourth Proportional to 160,943.44, 222,000.90 and 103,657

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Solution

The fourth proportional to 160,943.44, 222,000.90 and 103,657 is: 142,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,943.44 : 222,000.90 = 103,657 : x
  2. Step 2: Convert to fraction form
    160,943.44/222,000.90 = 103,657/x
  3. Step 3: Cross multiply
    160,943.44x = 222,000.90 × 103,657
  4. Step 4: Simplify right side
    160,943.44x = 23,011,947,291.30
  5. Step 5: Solve for x
    x = 23,011,947,291.30/160,943.44
  6. Step 6: Final answer
    x = 142,981.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.